MATHEMATICS HIGH SCHOOL

2.15 as an equivalent mixed number

Answers

Answer 1
Answer:

Answer:

43/20 =  2 3/20
Answer 2
Answer:

Answer:

2  3/20

Step-by-step explanation:

First you would write 2.15/1 ;  Next, multiply both the bottom and the top by 100 because of the decimal placement. This gives you 215/100. Find the GCF (which is 5) and divide. This leaves you with 43/20, and when simplified, gives you 2 as the whole number and 3/20.  

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Solve and graph the inequality. 6.7 > - 0.2x 4.5

Answers

-11 > x is the final answer

Which is a factor of x2 + 8x – 48?

Answers

so x^2+8x-48
it can be written in the form
ax^2+bx+c

so since the 'a' term=1 we want it in form
(x +/- something1 )(x +/- something2 )
so basically, something1 times something 2=c and something 1+something 2=b

c=-48
b=8

factor -48 and fiind what 2 factors add to 8 (obviously one has to be positive and is 8 more than the negative [negative is smaller])
-48=
-1 times 48 no
-2 times 24 no
-3 times 16 no
-4 times 12 yes
-4+12=8



therefor it is
(x-4)(x+12) or (x+12)(x-4)

so the answer would be the one with either (x+12) or (x-4) (since you didn't include answer choices)

(x+12) or (x-4) would be the right choice
this trinomial factored is:
(x + 12)(x - 4)
either of these would be considered a factor.

You are rolling two dice at the same time. what is the probability of a rolling a sum of 5 or 9?

Answers

 5 would equal about 11 percent.
9 would equal 1/9 or about 7 - 10 percent.
2 out of 12 probabilitity

Mr. and Mrs. Jones plan on retiring on 70 percent of their pre-retirement earnings. If they earned $47,000 the last year before they retired, how much retirement income do they plan on? 32,900
64,143
79,900
97,043

Answers

Answer:

Mr. and Mrs. Jones retirement income will be $32,000

Step-by-step explanation:

Hello, great question. These types are questions are the beginning steps for learning more advanced Algebraic Equations.

According to the question the couples last pre-retirement earnings were $47,000. Since they plan on retiring with 70% percent of their pre-retirement earnings, this means we need to multiply their pre-earnings by 70% in decimal form.

So, the first thing we need to do is turn 70% into a decimal by moving the decimal two digits to the left.

70.0%   ⇔   0.70

Now we multiply 0.70 by $47,000 to find their retirement income.

r = 47,000 * 0.70

r = 32,900

Finally, we can see that Mr. and Mrs. Jones retirement income will be $32,000

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
$32,900

Multiple their current earnings, multiply it by 0.7 (70%), and the result is $32,9000

PLEASE ANSWER ASAP 20 POINTS + BEST GETS CHOSEN AS BRAINLIESTFind f(x+h)-f(x)/h for f(x) = x + 4.

Answers

f(x)=x+4\n\n(f(x+h)-f(x))/(h)=((x+h+4)-(x+4))/(h)\n\n=(x+h+4-x-4)/(h)=(h)/(h)=1

Logan saves the same amount of money each month for college. His current total savings is 300m2 + 120m + 180 dollars. Which factorization could represent the number of months and amount of a monthly deposit in dollars?

Answers

If we let x as the amount of money saved per month and m be the number of months:

xm = 300m2 + 120m 180

The quadractic equation would result to:
300m2 + (120-x)m + 180 = 0

Using the quadratic formula we have the following factorization:
(m - ( -120 + x + sqrt (x2 - 240x - 2145600) ) / 600) (m - ( -120 +x - sqrt (x2 - 240x - 2145600) ) / 600) = 0

60(5m2 +2m +3)                               the answer is d
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